An individual with achlorhydria (lack of or low gastric acid in stomach) may have abdominal pain due to difficulty digesting food, loose bowel movements & problems due to poor absorption of nutrients.
Foods for Good Digestion # 5: Sweet potatoes. Sweet potatoes, especially when consumed with their skins on, are a superb food for digestive health. They provide dietary fiber, complex carbohydrates and manganese. Sweet potatoes help in treating peptic ulcers, duodenal ulcers and some other serious bowel ailments.
Not only will these foods relieve constipation, but they will also promote digestive health by improving your diet. You should aim for at least 24-38 grams of fiber a day. Here are some foods to add to your diet: Avocado, split peas, broccoli, kale, green peas, and lentils.